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#from src.extract_lambda import extract_bucket
import json
import boto3
import re
import io
from io import StringIO
import pandas as pd
def lambda_handler(event, context):
pass
tables = ['sales_order',
'transaction',
'payment',
'counterparty',
'address',
'staff',
'purchase_order',
'department',
'currency',
'design',
'payment_type']
def read_from_s3_subfolder_to_df(tables, bucket, client=boto3.client('s3')):
table_dfs = {}
for table in tables:
response = client.list_objects_v2(Bucket=bucket, Prefix=table)
list_of_keys = ['s3://'+bucket+'/'+object['Key'] for object in response['Contents']]
list_of_df = [pd.read_csv(key) for key in list_of_keys]
table_dfs[table] = pd.concat(list_of_df)
return table_dfs
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